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SEL4 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 404 NWS Storm Prediction Center Norman OK 1245 PM MDT Mon Jun 10 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Far Southeast Montana Far Southwest North Dakota The Nebraska Panhandle Western South Dakota Eastern Wyoming * Effective this Monday afternoon and evening from 1245 PM until 800 PM MDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Thunderstorms will continue to strengthen this afternoon and early evening while posing a threat for large hail around 1-2 inches in diameter and severe/damaging wind gusts of 60-70 mph. A brief tornado may also occur with any sustained supercell, especially in western South Dakota. The severe thunderstorm watch area is approximately along and 165 statute miles north and south of a line from 95 miles north northwest of Torrington WY to 55 miles east southeast of Rapid City SD. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 403... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 27035. ...Gleason